GSC Power Division GSC Spring Seat Kits

Part #: 1085

Overview

The GSC4041 CNC turned Chromoly valve spring seat kit is designed for high-performance applications on the Toyota 2JZ and Nissan VR38DETT engines. This set of 24 spring seats is engineered to support aggressive tuning and increased spring pressures, making it ideal for enthusiasts and professional builders pushing their engines to the limit. Crafted from high-quality Chromoly steel, these spring seats provide durability, precision fitment, and reliable performance under demanding conditions. They help ensure optimal valve spring alignment and stability, contributing to the overall longevity and efficiency of your engine's valvetrain. Whether you're building a high-horsepower street car, a track-ready machine, or a dedicated drag vehicle, these spring seats are designed to meet the rigorous demands of performance tuning. Their built-in height of 0.035” eliminates the need for shims, reducing installation complexity and potential misstacking issues. This feature ensures consistent spring pressure and helps maintain proper valve control during high RPM operation, supporting both power and reliability.

Key Features

Designed for high-performance engines, these CNC-machined Chromoly spring seats offer precise dimensions and robust construction. Key features include:

• Manufactured from high-strength Chromoly steel for durability and heat resistance
• Built-in height of 0.035” to eliminate shim requirements and simplify installation
• Precision CNC machining for exact fitment and consistent performance
• Supports increased spring pressures for high-RPM and forced induction applications
• Compatible with Toyota 2JZ and Nissan VR38DETT engines
• Sold as a set of 24, suitable for complete engine rebuilds or upgrades
• Designed to improve valve spring stability and longevity under extreme conditions